<meta charset="UTF-8">

<script src="./demo1.js"></script>
<script>
    // 调用parse函数
     let javaData='{"a":1,"b":2}'
     console.log(parse(javaData));  //{a:1,b:2}
    
    
    
    // 调用stringify函数
    let obj={a:1,b:2}
    console.log(stringify(obj));
    </script>